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Internet Service Model The network makes its best effort to deliver every datagram to the destination address specified in its header Example address: 128.2.205.42 “the narrow waist of IP” 2

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ICN Service Model Given a request for named content, the network attempts to locate and retrieve the content Example request: retrieve DSAK832NSKAWKW282 Names may be bound to content cryptographically 3

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8 Motivation for this work Lower latency Reduced congestion Support for mobility Intrinsic security Can we get ICN gains without the pains? e.g., existing technologies? e.g., incrementally deployable? Benefits Difficulties Routers need to be replaced to support content-based routing and to incorporate caches